Thesis advisor(s): Chu, Peter C.

Thesis (M.S. in Meteorology and Physical Oceanography) Naval Postgraduate School, Sept. 2000

Includes bibliographical references (p. 153-154)

The Navy's Impact Burial Prediction Model creates a two dimensional time history of a bottom mine as it falls through air, water, and sediment. The output of the model is the predicted burial depth of the mine in the sediment in meters, as well as height, area, and volume protruding. Model input consists of environmental parameters and mine characteristics, as well as parameters describing the mine's release. The model user seldom knows many of these parameters, and those that are known may be of questionable precision. In order to run a realistic validation of the model, an experiment was conducted using a simulated mine and carefully controlled observations while simultaneously taking gravity cores. The model was then run and calculated results were compared to observed. Final results showed the model tended to over predict burial depth by an order of magnitude due to a lack of sensitivity to hydrodynamic effects in the water column

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dk/dk cc:9116 1/24/01

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